Aeronautics. a movable surface, usually near the trailing edge of a wing, that controls the roll of the airframe or effects maneuvers, as banks and the like.
a wall at the end of a roof with a single slope, as that of a church aisle.
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How to use aileron in a sentence
Don't slack this, or some gusty day the pilot may unexpectedly find himself minus the aileron control.The Aeroplane Speaks | H. Barber
The aileron which is lowered catches the air currents flowing beneath the wing on that side.The Romance of Aircraft | Lawrence Yard Smith
Wire, aileron Balance—A wire connecting the right- and left-hand top ailerons.The Aeroplane Speaks | H. Barber
The left aileron, bending upwards, threw the tottering fabric more and more on one side.The Dreadnought of the Air | Percy F. Westerman
Thus the skin for them is leather, the face un mufle, the mouth un bec, the arm un aileron.The Criminal | Havelock Ellis
British Dictionary definitions for aileron
a flap hinged to the trailing edge of an aircraft wing to provide lateral control, as in a bank or roll
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for aileron
A hinged surface that is part of the back edge of each wing on an airplane. The ailerons are moved up or down to create uneven lift on the sides of the plane to control its rolling and tilting movements.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.